None of the six are considered favorites to make the Opening Day roster, but just about all of them have the potential to reach the Majors at some point during the season depending on injuries or other circumstances.

The deals mean the Tigers have 25 players on their 40-man roster under contract. The remaining 15 are all pre-arbitration, meaning the Tigers can unilaterally renew their contracts at a set rate if the two sides can't reach an agreement on a salary in the next few weeks.

Jason Beck is a reporter for MLB.com. Read Beck's Blog and follow him on Twitter @beckjason. This story was not subject to the approval of Major League Baseball or its clubs.